Q) From the top of a 45 m high light house, the angles of depression of two ships, on the opposite side of it, are observed to be 30° and 60°. If the line joining the ships passes through the foot of the light house, find the distance between the ships. (Use √3 = 1.73) […]
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Q) From the top of a 15 m high building, the angle of elevation of the top of a tower is found to be 30°. From the bottom of the same building, the angle of elevation of the top of the tower is found to be 60°. Find the height of the tower and the
Q) Radio towers are used for transmitting a range of communication services including radio and television. The tower will either act as an antenna itself or support one or more antennas on its structure. On a similar concept, a radio station tower was built in two stations A and B (B vertically below A). The tower
Radio towers are used for transmitting a range of communication services Read More »
Q) From the top of a building 60 m high, the angles of depression of the top and bottom of the vertical lamp post are observed to be 30° and 60° respectively.(i) Find the horizontal distance between the building and the lamp post.(ii) Find the distance between the tops of the building and the post.
From the top of a building 60 m high, the angles of depression Read More »
Q) A pole 6m high is fixed on the top of a tower. The angle of elevation of the top of the pole observed from a point P on the ground is 60 and the angle of depression of the point P from the top of the tower is 45. Find the height of the tower
Q) A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30∘, which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to
A straight highway leads to the foot of a tower. A man standing Read More »
Q) From a point on the ground, the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20m high building are 450 and 600 respectively. Find the height of the transmission tower. Ans: Step 1: Let’s start by drawing a diagram for this question: Here, we can see AB is
From a point on the ground, the angles of elevation of the bottom Read More »
Q) The angle of elevation of the top of a building from the foot of the tower is 30° and the angle of elevation of the top of the tower from the foot of the building is 60°. If the tower is 50 m high, then find the height of the building. Ans: Step 1: Diagram
The angle of elevation of the top of a building from the foot of the tower is 30° Read More »
Q) From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 3 m from the banks, then find the width of the river. Ans: Step 1: Diagram for this question: Step
From a point on a bridge across a river, the angles of depression of the banks Read More »
Q) Gadisar Lake is located in the Jaisalmer district of Rajasthan. It was built by the King of Jaisalmer and rebuilt by Gadsi Singh in 14th century. The lake has many Chhatris. One of them is shown below: Observe the picture. From a point A, h m above from water level, the angle of elevation of